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Oracle® Coherence Java API Reference Release 3.7.1.0 E22843-01 |
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java.lang.Object
com.tangosol.util.Base
com.tangosol.util.BitHelper
com.tangosol.util.ExternalizableHelper
com.tangosol.util.filter.MapEventTransformerFilter
public class MapEventTransformerFilter
MapEventTransformerFilter is a generic multiplexing wrapper that combines two implementations: a Filter (most commonly a MapEventFilter
) and a MapEventTransformer and is used to register event listeners that allow to change the content of a MapEvent.
SemiLiteEventTransformer
Constructor Summary | |
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MapEventTransformerFilter() No-argument constructor for lite deserialization. |
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MapEventTransformerFilter(Filter filter, MapEventTransformer transformer) Construct a MapEventTransformerFilter based on the specified Filter and MapEventTransformer. |
Method Summary | |
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boolean |
equals(java.lang.Object o) Compare the MapEventTransformerFilter with another object to determine equality. |
boolean |
evaluate(java.lang.Object o) Apply the test to the object. |
int |
hashCode() Determine a hash value for the MapEventTransformerFilter object according to the general Object.hashCode() contract. |
void |
readExternal(java.io.DataInput in) Restore the contents of this object by loading the object's state from the passed DataInput object. |
void |
readExternal(PofReader in) Restore the contents of a user type instance by reading its state using the specified PofReader object. |
java.lang.String |
toString() Provide a human-readable representation of this object. |
MapEvent |
transform(MapEvent event) Remove an old value from the specified MapEvent. |
void |
writeExternal(java.io.DataOutput out) Save the contents of this object by storing the object's state into the passed DataOutput object. |
void |
writeExternal(PofWriter out) Save the contents of a POF user type instance by writing its state using the specified PofWriter object. |
Methods inherited from class com.tangosol.util.BitHelper |
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countBits, countBits, countBits, indexOfLSB, indexOfLSB, indexOfLSB, indexOfMSB, indexOfMSB, indexOfMSB, rotateLeft, rotateLeft, rotateLeft, rotateRight, rotateRight, rotateRight, toBitString, toBitString, toBitString |
Constructor Detail |
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public MapEventTransformerFilter()
public MapEventTransformerFilter(Filter filter, MapEventTransformer transformer)
filter
- the underlying Filter (e.g. MapEventFilter) used to evaluate original MapEvent objects (optional)transformer
- the underlying MapEventTransformer used to transform original MapEvent objectsMethod Detail |
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public boolean evaluate(java.lang.Object o)
evaluate
in interface Filter
o
- the object to testpublic MapEvent transform(MapEvent event)
transform
in interface MapEventTransformer
event
- the original MapEvent objectpublic void readExternal(java.io.DataInput in) throws java.io.IOException
readExternal
in interface ExternalizableLite
in
- the DataInput stream to read data from in order to restore the state of this objectjava.io.IOException
- if an I/O exception occursjava.io.NotActiveException
- if the object is not in its initial state, and therefore cannot be deserialized intopublic void writeExternal(java.io.DataOutput out) throws java.io.IOException
writeExternal
in interface ExternalizableLite
out
- the DataOutput stream to write the state of this object tojava.io.IOException
- if an I/O exception occurspublic void readExternal(PofReader in) throws java.io.IOException
readExternal
in interface PortableObject
in
- the PofReader from which to read the object's statejava.io.IOException
- if an I/O error occurspublic void writeExternal(PofWriter out) throws java.io.IOException
writeExternal
in interface PortableObject
out
- the PofWriter to which to write the object's statejava.io.IOException
- if an I/O error occurspublic boolean equals(java.lang.Object o)
public int hashCode()
Object.hashCode()
contract.public java.lang.String toString()
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Oracle® Coherence Java API Reference Release 3.7.1.0 E22843-01 |
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